diff --git a/pkgs/applications/networking/cluster/luigi/default.nix b/pkgs/applications/networking/cluster/luigi/default.nix
index 8c145ef6393f..158c8ff8242e 100644
--- a/pkgs/applications/networking/cluster/luigi/default.nix
+++ b/pkgs/applications/networking/cluster/luigi/default.nix
@@ -12,6 +12,8 @@ python3.pkgs.buildPythonApplication rec {
 
   build-system = [ python3.pkgs.setuptools ];
 
+  pythonRelaxDeps = [ "tenacity" ];
+
   dependencies = with python3.pkgs; [ python-dateutil tornado python-daemon tenacity ];
 
   pythonImportsCheck = [ "luigi" ];